Ignore autocomplete='off' for usernames and passwords.

chrome/browser/password_manager/password_form_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_FORM_MANAGER_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_FORM_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 134 matching lines @@
   }
 
   // Returns the realm URL for the form managed my this manager.
   const std::string& realm() const {
     return pending_credentials_.signon_realm;
   }
 
  private:
   friend class PasswordFormManagerTest;
 
-  // ManagerAction - What does the manager do with this form? Either it
-  // fills it, or it doesn't. If it doesn't fill it, that's either
-  // because it has no match, or it is blacklisted, or it is disabled
-  // via the AUTOCOMPLETE=off attribute. Note that if we don't have
-  // an exact match, we still provide candidates that the user may
-  // end up choosing.
+  // ManagerAction - What does the manager do with this form? Either it fills
+  // it, or it doesn't. If it doesn't fill it, that's either because it has no
+  // match or it is blacklisted. Note that if we don't have an exact match, we
+  // still provide candidates that the user may end up choosing.
   enum ManagerAction {
     kManagerActionNone = 0,
     kManagerActionAutofilled,
     kManagerActionBlacklisted,
-    kManagerActionDisabled,
     kManagerActionMax
   };
 
   // UserAction - What does the user do with this form? If he or she
   // does nothing (either by accepting what the password manager did, or
   // by simply (not typing anything at all), you get None. If there were
   // multiple choices and the user selects one other than the default,
   // you get Choose, if user selects an entry from matching against the Public
   // Suffix List you get ChoosePslMatch, and if the user types in a new value,
   // you get Override.
@@ skipping 132 matching lines @@
   // These three fields record the "ActionsTaken" by the browser and
   // the user with this form, and the result. They are combined and
   // recorded in UMA when the manager is destroyed.
   ManagerAction manager_action_;
   UserAction user_action_;
   SubmitResult submit_result_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordFormManager);
 };
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_FORM_MANAGER_H_